Context: San Juan is located along the north-eastern coast of Puerto Rico. It lies south of the Atlantic Ocean; north of Caguas and Trujillo Alto; east of and Guaynabo; and west of Carolina. The city occupies an area of 76.93 square miles (199.2 km), of which, 29.11 square miles (75.4 km) (37.83 %) is water. San Juan's main water bodies are San Juan Bay and two natural lagoons, the Condado and San José.

Question: where is the capital of puerto rico located?
Steam of consciousness below:

The relevant information to answer the above question is: San Juan is located along the north-eastern coast of Puerto Rico.
So, the answer is along the north - eastern coast of Puerto Rico.