Grand Bahia Principe La Romana. Book at Grand Bahia Principe La Romana, the 400 rooms of the Grand Bahia Principe La Romana are all Junior Suites so you can spend your stay in the lap of luxury, in the best surroundings. You'll love it because... This resort has special charm; it is small and cute, located in the Dominican Republic. It is totally renovated, and has fantastic tropical gardens. Right on the beach, you'll live near the beautiful bay with its coconut trees.