Please answer the following question: Information: - The Amazon River (or ; Spanish and ) in South America is the largest river by discharge of water in the world, and according to some experts, the longest in length. The headwaters of the Apurimac River on Nevado Mismi had been considered for nearly a century as the Amazons most distant source, until a 2014 study found it to be the Cordillera Rumi Cruz at the headwaters of the Mantaro River in Peru. The Mantaro and Apurimac confluence, and with other tributaries form the Ucayali River, which in turn confluences with the Maranon River upstream of Iquitos, Peru, to form what countries other than Brazil consider to be the main stem of the Amazon. Brazilians call this section the Solimoes River above its confluence with the Rio Negro to form what Brazilians call the Amazon at the Meeting of Waters at Manaus, the river's largest city. - Puerto Maldonado is a city in Southeastern Peru in the Amazon rainforest west of the Bolivian border; located at the confluence of the Tambopata and Madre de Dios rivers, the latter of which joins the Madeira River as a tributary of the Amazon. It is the capital of the Madre de Dios Region. - Peru , officially the Republic of Peru, is a country in western South America. It is bordered in the north by Ecuador and Colombia, in the east by Brazil, in the southeast by Bolivia, in the south by Chile, and in the west by the Pacific Ocean. Peru is an extremely biodiverse country with habitats ranging from the arid plains of the Pacific coastal region in the west to the peaks of the Andes mountains vertically extending from the north to the southeast of the country to the tropical Amazon Basin rainforest in the east with the Amazon river. - Madre de Dios is a region in southeastern Peru, bordering Brazil, Bolivia and the Peruvian regions of Puno, Cusco and Ucayali, in the Amazon Basin. Its capital is the city of Puerto Maldonado. - Cusco, often spelled Cuzco, is a city in southeastern Peru, near the Urubamba Valley of the Andes mountain range. It is the capital of the Cusco Region as well as the Cusco Province. In 2013, the city had a population of 435,114. Located on the eastern end of the Knot of Cuzco, its elevation is around . - Tambopata Province is the largest of three provinces in the Madre de Dios Region of Peru . Given the paragraphs above, decide what entity has the relation 'capital' with 'puerto maldonado'.
A:
tambopata province