Read the text and answer the following questions.

  Peter had a letter from his sister yesterday. She lives in Nigeria. In her letter, she said that she was coming to England next month. If she comes, she will get a surprise. Peter is now living in a beautiful new house in the country. Work on it had begun before his sister left. The house was completed five months ago. In his letter, he said that he wanted her to stay with his family. The house has many large rooms and there is a lovely garden. 

Where does Peter's sister live?