There is no such thing as Chittagong language.
Chittagong is a city in Bangladesh, where they speak Bengali.
Yes, both countries speak English as their main language.
Members of the Methodist religion live in many different countries and they speak the language of their countries.
Most of the countries of South America Speak Spanish. For the languages of Brazil, click here.
about 115 million, and it is the main language of 33 countries
Chileans do speak Spanish; it is the official language of Chile.
The country where people speak all three of those language is Switzerland, so the countries surrounding it are Germany, Austria, France, and Italy.
Turkish people speak Turkish. It is the official language of Turkey and is also spoken in parts of Cyprus and other countries with Turkish communities.
There are 29 countries in Africa where French is spoken as an official language. These countries are members of the Francophonie, which is an international organization representing countries and regions where French is a significant language.
All the continents except Antarctica consists of different countries that each speak their own language. Most educated people in these countries use English as a 2nd language, French and German also Spanish are spoken in these countries.
As there is no indigenous population, the people that work and visit there speak the languages of their home countries.
There are a few countries like this:North KoreaSouth Korea (if you don't count Korean Sign Language)Iceland (if you don't count the fact that almost everyone can speak English as a foreign language)Kuwait
Actually most people in Europe, not just Switzerland, speak more than one language, in fact most countries in the world are that way. America is the weird one in that most Americans speak only one language.