Basically, your country is like our states after our Supreme Court’s Reyolds v. Sims ruling, which allowed urban areas to dominate many state legislatures. Illinois is heavily ruled by Greater Chicago, for example, even though the Chicago metro is only a very small portion of the state’s land area.
My country is your country in the future if you are unwise and eliminate the Electoral college.
10 cities, or so, and the election is won.