JSFiddle - React, Tailwind, and code Playground
HTML
<div ng-controller="TheController" ng-app>
Location:
<select ng-model="locationId" ng-options="item.LocationId as item.LocationName for item in locations"></select>
<p/>
Another Location:
<select ng-model="anotherLocationId">
<option ng-repeat="location in locations" value="{{location.LocationId}}">{{location.LocationName}}</option>
</select>
<hr/>
Location: {{locationId}} <br/>
Another Location: {{anotherLocationId}}
</div>
JavaScript
function TheController($scope) {
$scope.locations = [
{LocationId : 7, LocationName : 'Philippines' },
{LocationId : 8, LocationName : 'Canada' },
{LocationId : 9, LocationName : 'China' } ];
$scope.locationId = 7;
$scope.anotherLocationId = 7;
}