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.
Serbian people speak the Serbian language.
English is spoken as a common language in many countries in Africa, but it is not the primary language for most people. Many African countries have multiple official languages, with English often being one of them.
As there is no indigenous population, the people that work and visit there speak the languages of their home countries.
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.