La Plata is the provincial capital of Buenos Aires, the largest province of Argentina. Buenos Aires is the largest province among the total 23 provinces of Argentina. It owns 38% of the whole population of the country. Its takes up 40% of the GDP.The population of La Plata is 1.1 million.Shenyang and La Plata established sister city relationship in May, 2014.La Plata is the 17th city to establish sister city relationship with Shenyang.