Help Find Maria: Missing Grey Cat

My cat's name is Maria and she has been missing since Wednesday night. She is grey with some spots and white patches. She is about a year old. Maria is very shy and gets scared easily, so she may hide or be reluctant to approach people. I am very worried because she has not eaten for a day and a night and it is very cold outside at night and I am afraid she will get sick. If you find her please contact this number immediately: 2403068306/2407024704 Thank you