using (db)
{
    var encryptedPassword = PasswordStorage.CreateHash(model.Users.PASSWORD);
    var user = db.USERS.Create();
    user.EMAIL = model.Users.EMAIL;
    user.PASSWORD = encryptedPassword;
    user.NAME = model.Users.NAME;
    db.USERS.Add(user);

    var place = db.PLACES.Create();
    place.CITY = model.Places.CITY;
    place.PLACE_NAME = model.Places.PLACE_NAME;
    place.POSTAL = model.Places.POSTAL;
    place.STREET = model.Places.STREET;
    place.STREET_NO = model.Places.STREET_NO;
    db.PLACES.Add(place);

    db.SaveChanges();

    var placesId = db.USERS.Where(u => u.EMAIL == model.Users.EMAIL).Select(u => u.PLACES_ID).Single();
    placesId = db.PLACES.Where(u => u.PLACE_NAME == model.Places.PLACE_NAME).Select(u => u.id).Single();
    db.SaveChanges();
}