If I feed it a valid address (such as my current location or Buckingham Palace) in place of your filler, it works with the iframe:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=utf-8">
<meta name="generator" content="PSPad editor, www.pspad.com">
<title></title>
</head>
<body>
<iframe src="https://www.google.com/maps?q=Buckingham Palace, London&output=embed"></iframe>
</body>
</html>So start by checking your location is spelled correctly and describes an actual address.
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