Portugal's interior is home to many beautiful castle towns that are waiting to be discovered. These towns are rich in history and culture, and offer visitors a glimpse into the country's past. Here are some of the hidden castle towns you should explore:

Castelo Novo - Located in the district of Castelo Branco, Castelo Novo is a charming medieval walled town that is overlooked by a castle. The town has narrow streets, whitewashed houses, and a beautiful church that dates back to the 13th century.

Monsanto - Known as the "most Portuguese village in Portugal," Monsanto is a unique fortified town that sits atop a giant granite boulder. The town's houses are built into the rock and the castle walls blend seamlessly into the natural surroundings.

Belmonte - Belmonte is a beautiful town that is rich in Jewish history. It was the birthplace of Pedro Álvares Cabral, the discoverer of Brazil, and the town's Jewish museum is a must-visit.

Marialva - Marialva is a small, abandoned fortified village that is located in the district of Guarda. The town's castle dates back to the 12th century and the village is surrounded by beautiful wild countryside.

Trancoso - Trancoso is a charming royal town that is famous for its well-preserved medieval walls. The town has a beautiful castle and a Jewish quarter that is worth exploring.

Sortelha - Sortelha is a beautiful medieval town that is located in the district of Guarda. The town is surrounded by fortified walls and has narrow streets lined with ancient  houses.

These hidden castle towns of Portugal's interior offer visitors a glimpse into the country's rich history and culture. Each town has its unique charm and beauty, and exploring them is a great way to experience the authentic Portugal.