Paro is a town and seat of Paro District, in the Paro Valley of Bhutan. It is a historic town with many sacred sites and historical buildings scatter…Paro is a town and seat of Paro District, in the Paro Valley of Bhutan. It is a historic town with many sacred sites and historical buildings scattered throughout the area. It is also home to Paro International Airport, Bhutan's sole international airport. Paro International Airport is served by Drukair.