Oppa Bar is located on Pattaya Soi 6 (Soi 6), right next to Monkey Banana Bar. It operates daily from 4:00 PM to 2:00 AM. This bar is part of the Baba Group, along with Baba Bar, Good Fellas Bar, Soi 6 Bar, and Tomcat's Bar.

Oppa Bar features around 15 ladies, mostly young ones with slender figures that align with Asian beauty standards, and not many heavier types. The bar occasionally hosts various themed events, which basically involve the ladies all dressed in matching themed outfits, such as school uniforms, nurse costumes, or maid attire.