XML Parse

Program.cs

using System.Xml;

var count = 0;
using var file = File.OpenRead(args[0]);
using var reader = XmlReader.Create(file);

while (reader.Read())
{
    if (reader is { NodeType: XmlNodeType.Element, Name: "location" })
    {
        var locationData = reader.ReadElementContentAsString();
        if (locationData.Contains("Africa"))
        {
            count++;
        }
    }
}

Console.WriteLine($"count = {count}");

XMLParse.csproj

<Project Sdk="Microsoft.NET.Sdk">

  <PropertyGroup>
    <OutputType>Exe</OutputType>
    <TargetFramework>net8.0</TargetFramework>
    <ImplicitUsings>enable</ImplicitUsings>
    <Nullable>enable</Nullable>
    <PublishAot>true</PublishAot>
    <InvariantGlobalization>true</InvariantGlobalization>
    <OptimizationPreference>Speed</OptimizationPreference>
  </PropertyGroup>

</Project>