The type of trailer section depends on the type you want. If you are looking for sites that offer promotional videos for movies, games, or books, you can visit sites that provide this service.

trailer: trailer is a major source of sponsored videos. You can find official videos of movies, games and books on official corporate channels or specialized channels.

IMDb: IMDb provides comprehensive information about movies, and videos are quickly uploaded to the movie pages.

Steam: If you're looking for video game videos, you can visit the game pages on the Steam platform where they offer trailers.

Official publishing sites contain: Many publishers of films, games, books, and special sites contain trailer videos and additional information.