Phineas lives in the fictional town of Danville (part of the Tri-State Area), in a large, suburban neighborhood; he comes up with most of his ideas while sitting with Ferb in his backyard.
Phineas tinggal di kota fiksi Danville (bagian dari Daerah Tiga Negara Bagian), di daerah pinggiran kota yang besar; dia muncul dengan sebagian besar gagasannya saat duduk dengan Ferb di halaman belakang rumahnya.