Hollywood
Hollywood is the American film industry, centered in Los Angeles, California. It's the oldest and most globally influential film industry, known for producing high-budget movies, major blockbusters, and globally recognized stars. It sets trends in filmmaking and entertainment worldwide.

Bollywood
Bollywood is the Hindi-language film industry based in Mumbai, India. It's the largest film industry in the world in terms of number of films produced and audience size. Bollywood is known for its colorful storytelling, music-and-dance sequences, and emotional drama.

Lollywood
Lollywood refers to the Pakistani film industry, originally based in Lahore. Though smaller than Bollywood and Hollywood, it has its own cultural identity, producing films in Urdu and regional languages. In recent years, Lollywood has seen a revival with modern filmmaking techniques and more diverse themes.