ANTM/Assets/DataLocationsInfo.cs

using System;
using System.Collections.Generic;
using UnityEngine;

[ExecuteInEditMode]
[CreateAssetMenu(fileName = "LocationsInfo", menuName = "EditorDatas/LocationsInfo", order = 1)]
public class DataLocationsInfo : ScriptableObject
{
	[Serializable]
	public struct City
	{
		public string name;
		public List<string> places;
	}
	[Serializable]
	public struct State
	{
		public string name;
		public List<City> cities;
	}

	public List<State> states = new List<State>();

	public void GetLocationData(string locId, out string locCity, out string locState)
	{
		locCity = "";
		locState = "";
		foreach(State state in states)
		{
			foreach(City city in state.cities)
			{
				foreach(string place in city.places)
				{
					if(place.ToUpper() == locId.ToUpper())
					{
						locCity = city.name;
						locState = state.name;
						return;
					}
				}
			}
		}
	}
}