It is necessary to make the setting amMap, to the card in the active region is becoming visible of the city, located in the region. They can be pressed and the link to the object.
Thus the behavior of the following:
1) The card is loaded, the region is not selected
2) Select the region, showing the city in the region with the ability to click on them and go to the page of the city
3) Allocate another region, the region from the old city disappear in the new area of the city appear.
Countries - Russia, the number of cities - in 1100.