If you prefer not to manage separate files, these platforms have subtitles built-in: Game of Thrones Season 1 TV Subtitles (2011) - Subscene
: The largest database for TV subtitles. It allows you to download all Season 1 episodes at once using the "season" download icon. Game of Thrones Season 1 (S01) Subtitles
If you already have the video files, these repositories are the most reliable for downloading standalone .srt files: If you prefer not to manage separate files,
Download Game of Thrones season 1 subtitles - TVsubtitles.net Game of Thrones Season 1 (S01) Subtitles
: Offers version-specific subtitles (e.g., BluRay vs. Web-DL) in multiple languages including English, French, and Spanish.