Spain and Portugal - Leiria Fountain - Fountain foreground - Bullock cart with barrel, people around fountain - houses in background. Part of Box 149 Boswell collection - Portugal and Spain. Leiria is a city in Leiria Municipality in the Centro Region of Portugal. It is the capital of Leiria District. The city proper has 50,200 inhabitants and the entire municipality has nearly 130,000. It is the seat of the Roman Catholic Diocese of Leiria-F?tima.