largest city in collier county
The county seat and largest city in Collier County is Naples. Collier County is 2,305 square miles in area. Collier County is located in southern Florida and has a population of 328,134. The county seat and largest city in Collier County is Naples. Collier County is 2,305 square miles in area. Collier County is located in southern Florida and has a population of 328,134.