do spain and portugal form a island

No. Together they form the Iberian peninsula of Europe. Take a look at a map or globe and you will see.

http://www.travelnotes.org/Directory/countries/spain/spain.gif

However there are 7 wonderful islands, belonging to Spain:

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Two small pieces of the Iberian peninsula (besides Spain and Portugal) that I did not mention are the Rock of Gibraltar area (which belongs to the UK) and the tiny nation of Andorra.

Spain also owns the Balearic islands in the Mediteranean, and a small disputed island off the coast of Morocco.

No, Spain and Portugal do not form an island together. They are both separate countries located on the Iberian Peninsula in Europe, sharing a land border with each other. The Iberian Peninsula is surrounded by the Atlantic Ocean and the Mediterranean Sea, but it is not completely surrounded by water to form an island. To verify this information and explore maps, you can use various online mapping tools or search for reliable sources about the geography of Spain and Portugal.