AccountTest.cls

public with sharing class AccountTest{

   @AuraEnabled
   public static list<AccountWrapper> getlstacc(){
      list<AccountWrapper> lstWrapper = new list<AccountWrapper>();
      for(Account acc :[Select Id , Name , NumberofLocations__c from Account order by NumberofLocations__c limit 10]){
         AccountWrapper accWrap = new AccountWrapper();
         accWrap.Name = acc.Name;
         accWrap.noOfLocations = integer.valueof(acc.NumberofLocations__c);
         lstWrapper.add(accWrap);
      }
      return lstWrapper;
   }

}

AccountTest.cmp

<aura:component controller="AccountTest" access="global">
	<aura:handler name="init" action="{!c.fetchAccounts}" value="{!this}" />
        <aura:attribute name="accounts" type="AccountWrapper[]" />
    <ul>
    	<aura:iteration items="{!v.accounts}" var="account">
    		<li > <h3>{!account.name}</h3> </li>
               <li > <h3>{!account.noOfLocations}</h3> </li>
    	</aura:iteration>
    </ul> 
</aura:component>

AccountTestController.js

({
       fetchAccounts : function(component, event, helper) {
	     var action = component.get("c.getlstacc ");
             action.setCallback(this, function(data) {
             component.set("v.accounts", data.getReturnValue());
           });
         $A.enqueueAction(action);
	}
})

AccountWrapper.cls

public class AccountWrapper {

  @AuraEnabled
  public string name;
  @AuraEnabled
  public integer noOfLocations ;

}