Cubao Expo, now known as Cubao X is located along General Romulo Street in Barangay Socorro, Cubao, Quezon City. It's just a walk away from Ali Mall and Gateway Shopping Center. It is a business establishment with numerous stores/stall selling all kinds of things like pizzas, halo-halo, shoes, old books, antiques, second hand clothing, fashion accessories, vinyl records, comic books, betamax tapes, leather boots, etc.

As of this writing, below are some of the stores still in business in the establishment:
Janylin
Rusty Lopez
I Love You
The Breathing Space
Karma
Pablo Gallery
Heritage
Black Soup
White Box
Mogwai Cinemathique
Sputnik
Heima
Alan's Grill
Bellini's Restaurant
Fred's Revolucion