از Any استفاده کنید:
با این خروجی SQL:
var citiesContainPerson = context.Cities.Where(city => city.People.Any(person => person.Name == "user-1")).ToList();
SELECT [Extent1].[Id] AS [Id], [Extent1].[Name] AS [Name] FROM [dbo].[Cities] AS [Extent1] WHERE EXISTS (SELECT 1 AS [C1] FROM [dbo].[People] AS [Extent2] WHERE ([Extent1].[Id] = [Extent2].[BornInCityId]) AND (N'user-1' = [Extent2].[Name]) )