Where is the Secular World?

People have talked about the "secular" world for so long that the average person thinks it really exists. But where exactly IS this place? For more on this topic, see Dr. Christian Overman's book, Assumptions That Affect Our Lives. Click here: https://www.amazon.com/Assumptions-That-Affect-Our-Lives-ebook/dp/B0091W754M/ref=sr_1_5?crid=34I8R4MSC6VV3&keywords=assumptions+that+affect+our+lives+by+christian+overman&qid=1697160924&sprefix=assumptions+that+a%2Caps%2C204&sr=8-5