From the Wikipedia page 
Paul is a concelho (municipality) of Cape Verde. It covers all the valley named the Vale do Paul. Situated in the northeastern part of the island of Santo Antão, it covers 7% of the island area, and is home to 16% of its population, the majority are rural. Its capital is the town Pombas. In area, the municipality is the 4th smallest and the 19th largest in the nation, in population it had the 17th largest and the 6th smallest in 2000.