diff --git a/packages/backend-common/src/reading/GitlabUrlReader.ts b/packages/backend-common/src/reading/GitlabUrlReader.ts
index 2387dadf5b..f681adb4d4 100644
--- a/packages/backend-common/src/reading/GitlabUrlReader.ts
+++ b/packages/backend-common/src/reading/GitlabUrlReader.ts
@@ -37,7 +37,7 @@ import {
   ReadUrlResponse,
   ReadUrlOptions,
 } from './types';
-import { trimEnd } from 'lodash';
+import { trimEnd, trimStart } from 'lodash';
 import { ReadUrlResponseFactory } from './ReadUrlResponseFactory';
 
 /**
@@ -117,13 +117,19 @@ export class GitlabUrlReader implements UrlReader {
     const { etag, signal } = options ?? {};
     const { ref, full_name, filepath } = parseGitUrl(url);
 
+    // Considering self hosted gitlab with relative
+    const repo_full_name = trimStart(
+      full_name,
+      this.integration.config.relativePath ?? '',
+    );
+
     // Use GitLab API to get the default branch
     // encodeURIComponent is required for GitLab API
     // https://docs.gitlab.com/ee/api/README.html#namespaced-path-encoding
     const projectGitlabResponse = await fetch(
       new URL(
         `${this.integration.config.apiBaseUrl}/projects/${encodeURIComponent(
-          full_name,
+          repo_full_name,
         )}`,
       ).toString(),
       getGitLabRequestOptions(this.integration.config),
@@ -150,7 +156,7 @@ export class GitlabUrlReader implements UrlReader {
     const commitsGitlabResponse = await fetch(
       new URL(
         `${this.integration.config.apiBaseUrl}/projects/${encodeURIComponent(
-          full_name,
+          repo_full_name,
         )}/repository/commits?${commitsReqParams.toString()}`,
       ).toString(),
       {
@@ -181,7 +187,7 @@ export class GitlabUrlReader implements UrlReader {
     // https://docs.gitlab.com/ee/api/repositories.html#get-file-archive
     const archiveGitLabResponse = await fetch(
       `${this.integration.config.apiBaseUrl}/projects/${encodeURIComponent(
-        full_name,
+        repo_full_name,
       )}/repository/archive?sha=${branch}`,
       {
         ...getGitLabRequestOptions(this.integration.config),
diff --git a/packages/integration/src/gitlab/GitLabIntegration.test.ts b/packages/integration/src/gitlab/GitLabIntegration.test.ts
index 575ce75308..ca84110438 100644
--- a/packages/integration/src/gitlab/GitLabIntegration.test.ts
+++ b/packages/integration/src/gitlab/GitLabIntegration.test.ts
@@ -28,6 +28,7 @@ describe('GitLabIntegration', () => {
               token: 't',
               apiBaseUrl: 'https://h.com/api/v4',
               baseUrl: 'https://h.com',
+              relativePath: '',
             },
           ],
         },
diff --git a/packages/integration/src/gitlab/config.test.ts b/packages/integration/src/gitlab/config.test.ts
index db03285206..b642b3c7ae 100644
--- a/packages/integration/src/gitlab/config.test.ts
+++ b/packages/integration/src/gitlab/config.test.ts
@@ -66,6 +66,7 @@ describe('readGitLabIntegrationConfig', () => {
       token: 't',
       apiBaseUrl: 'https://a.com',
       baseUrl: 'https://baseurl.for.me/gitlab',
+      relativePath: '/gitlab',
     });
   });
 
@@ -77,6 +78,7 @@ describe('readGitLabIntegrationConfig', () => {
       host: 'gitlab.com',
       apiBaseUrl: 'https://gitlab.com/api/v4',
       baseUrl: 'https://gitlab.com',
+      relativePath: '',
     });
   });
 
@@ -89,6 +91,7 @@ describe('readGitLabIntegrationConfig', () => {
       host: 'gitlab.com',
       baseUrl: 'https://gitlab.com',
       apiBaseUrl: 'https://gitlab.com/api/v4',
+      relativePath: '',
     });
   });
 
@@ -119,6 +122,7 @@ describe('readGitLabIntegrationConfig', () => {
       host: 'a.com',
       apiBaseUrl: 'https://a.com/api',
       baseUrl: 'https://a.com',
+      relativePath: '/',
     });
   });
 });
@@ -144,6 +148,7 @@ describe('readGitLabIntegrationConfigs', () => {
       token: 't',
       apiBaseUrl: 'https://a.com/api/v4',
       baseUrl: 'https://a.com',
+      relativePath: '/',
     });
   });
 
diff --git a/packages/integration/src/gitlab/config.ts b/packages/integration/src/gitlab/config.ts
index 71b4cd868f..89f6b6a822 100644
--- a/packages/integration/src/gitlab/config.ts
+++ b/packages/integration/src/gitlab/config.ts
@@ -54,6 +54,14 @@ export type GitLabIntegrationConfig = {
    * If no baseUrl is provided, it will default to `https://${host}`
    */
   baseUrl: string;
+
+  /**
+   * The relative path for gitlab self hosted installations
+   * described here https://docs.gitlab.com/ee/install/relative_url.html
+   *
+   * If no baseUrl is provided, it will default to `/`
+   */
+  relativePath?: string;
 };
 
 /**
@@ -69,7 +77,7 @@ export function readGitLabIntegrationConfig(
   let apiBaseUrl = config.getOptionalString('apiBaseUrl');
   const token = config.getOptionalString('token');
   let baseUrl = config.getOptionalString('baseUrl');
-
+  let relativePath = '';
   if (apiBaseUrl) {
     apiBaseUrl = trimEnd(apiBaseUrl, '/');
   } else if (host === GITLAB_HOST) {
@@ -96,7 +104,11 @@ export function readGitLabIntegrationConfig(
     );
   }
 
-  return { host, token, apiBaseUrl, baseUrl };
+  if (host !== GITLAB_HOST) {
+    relativePath = new URL(baseUrl).pathname;
+  }
+
+  return { host, token, apiBaseUrl, baseUrl, relativePath };
 }
 
 /**
diff --git a/packages/integration/src/gitlab/core.test.ts b/packages/integration/src/gitlab/core.test.ts
index d01406fe1c..e923c0ee0c 100644
--- a/packages/integration/src/gitlab/core.test.ts
+++ b/packages/integration/src/gitlab/core.test.ts
@@ -39,12 +39,22 @@ describe('gitlab core', () => {
     token: '0123456789',
     apiBaseUrl: '<ignored>',
     baseUrl: '<ignored>',
+    relativePath: '',
   };
 
   const configWithNoToken: GitLabIntegrationConfig = {
     host: 'g.com',
     apiBaseUrl: '<ignored>',
     baseUrl: '<ignored>',
+    relativePath: '',
+  };
+
+  const configWithSelfHosted: GitLabIntegrationConfig = {
+    host: 'g.com',
+    token: '0123456789',
+    apiBaseUrl: '<ignored>',
+    baseUrl: '<ignored>',
+    relativePath: '/gitlab',
   };
 
   describe('getGitLabFileFetchUrl with .yaml extension', () => {
@@ -121,6 +131,12 @@ describe('gitlab core', () => {
         result:
           'https://gitlab.com/api/v4/projects/12345/repository/files/my%2Fpath%2Fto%2Ffile.yml/raw?ref=branch',
       },
+      {
+        config: configWithSelfHosted,
+        url: 'https://gitlab.com/gitlab/groupA/teams/teamA/subgroupA/repoA/-/blob/branch/my/path/to/file.yml',
+        result:
+          'https://gitlab.com/gitlab/api/v4/projects/12345/repository/files/my%2Fpath%2Fto%2Ffile.yml/raw?ref=branch',
+      },
       {
         config: configWithNoToken,
         // Works with non URI encoded link
diff --git a/packages/integration/src/gitlab/core.ts b/packages/integration/src/gitlab/core.ts
index ba0f9c83de..64b350eb67 100644
--- a/packages/integration/src/gitlab/core.ts
+++ b/packages/integration/src/gitlab/core.ts
@@ -17,6 +17,9 @@
 import { GitLabIntegrationConfig } from './config';
 import fetch from 'cross-fetch';
 import { InputError } from '@backstage/errors';
+import { relative } from 'path';
+import { trimStart } from 'lodash';
+// import { config } from 'process';
 
 /**
  * Given a URL pointing to a file on a provider, returns a URL that is suitable
@@ -44,7 +47,7 @@ export async function getGitLabFileFetchUrl(
   // makes sense and it might require some more work.
   if (url.includes('/-/blob/')) {
     const projectID = await getProjectId(url, config);
-    return buildProjectUrl(url, projectID).toString();
+    return buildProjectUrl(url, projectID, config).toString();
   }
   return buildRawUrl(url).toString();
 }
@@ -101,20 +104,26 @@ export function buildRawUrl(target: string): URL {
 // Converts
 // from: https://gitlab.com/groupA/teams/teamA/subgroupA/repoA/-/blob/branch/filepath
 // to:   https://gitlab.com/api/v4/projects/projectId/repository/files/filepath?ref=branch
-export function buildProjectUrl(target: string, projectID: Number): URL {
+export function buildProjectUrl(
+  target: string,
+  projectID: Number,
+  config: GitLabIntegrationConfig,
+): URL {
   try {
     const url = new URL(target);
 
     const branchAndFilePath = url.pathname.split('/-/blob/')[1];
     const [branch, ...filePath] = branchAndFilePath.split('/');
 
-    url.pathname = [
-      '/api/v4/projects',
-      projectID,
-      'repository/files',
-      encodeURIComponent(decodeURIComponent(filePath.join('/'))),
-      'raw',
-    ].join('/');
+    url.pathname =
+      [config.relativePath] +
+      [
+        '/api/v4/projects',
+        projectID,
+        'repository/files',
+        encodeURIComponent(decodeURIComponent(filePath.join('/'))),
+        'raw',
+      ].join('/');
     url.search = `?ref=${branch}`;
 
     return url;
@@ -137,19 +146,27 @@ export async function getProjectId(
   }
 
   try {
-    const repo = url.pathname.split('/-/blob/')[0];
+    let repo = url.pathname.split('/-/blob/')[0];
+
+    // Ignore relative path if it's not set
+    const relativePath = config.relativePath ?? '';
+
+    // Should replace first match only
+    repo = repo.replace(relativePath, '');
 
     // Convert
     // to: https://gitlab.com/api/v4/projects/groupA%2Fteams%2FsubgroupA%2FteamA%2Frepo
     const repoIDLookup = new URL(
-      `${url.origin}/api/v4/projects/${encodeURIComponent(
+      `${url.origin}${relativePath}/api/v4/projects/${encodeURIComponent(
         repo.replace(/^\//, ''),
       )}`,
     );
+
     const response = await fetch(
       repoIDLookup.toString(),
       getGitLabRequestOptions(config),
     );
+
     const data = await response.json();
 
     if (!response.ok) {