Saludos y presentaciones

What is your name?

-We have different ways of asking someone's name, both informal and formal. This is an informal and very friendly phrase.

What is your name?

-We have different ways of asking someone's name, both informal and formal. This is formal and very friendly phrase.

What´s your name?

This is an informal and respectful phrase. It's used for important matters, such as banks, reservations, etc.

What´s is your name?

This is formal and respectful phrase. It's used for business and legal matters.

My name is

-This is the answer of ¿Cómo te llamas? and ¿Cómo se llama?This is an informal and formal friendly phrase.

My name is ...

This is the answer of ¿Cuál es tu nombre? and ¿Cuál es su nombre? This is a formal and polite.

Where are you from?

-This is an informal and friendly question.

Where are you from?

-This is a formal and polite question.

I am ...
I am from ...

When we answer with de, we need to say de place of our origen. without de we can say our nationality or the demonym

Where do you live?

1st is informal and 2nd is formal.

¿Cuál es tu trabajo?
¿Cuál es su trabajo?

¿En dónde trabajas?
¿En dónde trabaja?