Only city I've used Uber in frequently in outside of the US and Canada is Lima. Bigger cities like London, Paris and Berlin, prefer to use public transit but Lima doesn't have a good public transit system. My Spanish isn't very good and with Lima taxis you have to negotiate the price with the driver ahead of time so it's nice not having to barter a price with a cab driver, especially if were to get a cab driver that couldn't speak English. Only complaint I had was that they don't have the same requirements for cars in Peru they do for the US. A couple times I rode in very old cars and once I was in an Uber that had a bused out dome light and torn up seats and the driver texted non stop while driving on his windshield mounted phone. He did pause to turn his head around and try having a conversation with me while driving with his head turned around and his English was as good as my Spanish so he just went back to texting.