Latvian is the official language of Latvia and spoken by 1.5 million people. It is also one of the official languages of the European Union since 2004.
Most Latvian people also speak Russian therefore they are considered similar however Latvian is not related to Russian. The only language similar to Latvian is Lithuanian. It is one of two Baltic languages, a group of its own within the family of Indo-European languages.
There are three dialects used in Latvia which are Livonian, Latgalian, and standard Latvian.