class Program
{
static void Main()
{
// Set Denmark as current culture
Thread.CurrentThread.CurrentCulture = new CultureInfo("da-DK");
var cities = new[] { "Århus", "Ans", "Balle" };
// When ordering the cities indicate that you want to
// take the current culture into account
cities = cities.OrderBy(a => a, StringComparer.CurrentCulture).ToArray();
foreach (var city in cities)
{
Console.WriteLine(city);
}
}
}