The old Assyrian Christian quarter of Ankawa, in north-western Erbil, has become famous in recent years for its vibrant night life. Considered a refuge by the city's assortment of expatriates - oil executives, aid workers, soldiers and diplomats - the area offers to each group its own retreat. For the overworked oil executives and their armed protection staff - of G4S, Control Risks and Aegis Defence - there is the Deutscher Hof