Ajuda is a historic district located in the western part of Lisbon, in the Estremadura region of Portugal. It is known for its stunning views of the Tagus River and its proximity to the iconic Belém Tower and Jerónimos Monastery. The area is characterized by its charming narrow streets, traditional Portuguese architecture, and beautiful gardens. The district is home to the Ajuda National Palace, a neoclassical building that was once the royal residence of the Portuguese royal family. The palace is surrounded by the lush Ajuda Botanical Garden, which features a diverse collection of plants from around the world.