Gadaka is a town in Yobe State, Nigeria located at latitude 11°18′N and longitude 11°22′E, with a population of about 60,000 people. It is located in the southern part of the state, near the boundary with Gombe and Bauchi states. It used to be the capital of the defunct Gadaka Local Government Area, created by Shehu Shagari's administration. It is largest town in the Fika Local Government Area.