Search Engine Forums, SEO Forum

I created a blog with all post in english and spanish, but google indexed it as spanish page. I'm investigating the cause.

Does google see the language that I use in google webmaster tools page when I sent my sitemap?

Does google see the country of owner of the domain in whois? In the whois of the domain the country is spain.
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I wouldn't have thought so, if your site has a Spanish domain name or it is hosted in Spain then that would probably be the cause.