My children are from the United States. They are from Dallas, Texas.
C. Sometimes a person is born in one place, but moves to another place when she or he is very young and then spends her or his childhood years there. In this case, you can use the past tense phrasal verb grew up.
I was born in Brazil but I grew up in California.
She was born in the United States but she grew up in Thailand.
They were born in New York but they grew up in Phoenix.
D. When people meet for the first time, they might ask each other where they live. It is common to answer by giving the name of the city you live in. If the city is in a different state (not Arizona), it is common to give the state also.
Be careful to use the correct form: I/you/they/we live or he/she/it lives