Antarctica
The coordinates 115 degrees east and 30 degrees south intersect near the southern coast of Australia in the Southern Ocean. This location is approximately south of Adelaide, Australia.
40 degrees north latitude and 105 degrees east longitude intersect in Asia.
That point is in south-central Libya, about 130 miles east of Murzuq.
South west France, about 90 miles east of Bourdeaux.
Egypt That point is in south-central Egypt, about 100 miles from the border with Sudan, 190 miles west-southwest of Aswan, and 460 miles south-southwest of Cairo.
In an olive grove, about 15 miles due east of Athens, Greece.
Turkey is the country where 40 degrees N latitude crosses 40 degrees E longitude. Turkey has an area of 302,535 square miles, and a population of 76,667,864.
Indian Ocean, off the Arabian Coast.
That point is in northern Botswana. Note that it's not possible for the whole country to be located right there at those coordinates, and that any other point in Botswana has different latitude and/or longitude.
The coordinates 20 degrees north and 30 degrees east intersect in the African continent. Specifically, they are located in northern Africa, in countries such as Egypt or Sudan.
About 20 degrees east latitude to 40 degrees east latitude.