Want to visit Danemark, 4 fun and also 4 business (Copenhagen)

Hello

I am looking forward for my visit to Danemark

I would like to learn its language and abit of its culture

wondering about which city to land or in Aahrus or Copenhagen?

What would you suggest?

I love very much nature and the ocean, any way, i like also culture and meet travelers.

Any suggestion where to learn the language? places to visit?

I would like also to consider meet a new business partner for my company in danemark. My business field is Holistic Sustainability applied for Personal development, Organic Development, Change Management, Corporate Governance, and Human Factor Management, Organization Process Awareness, and Sustainable Living.

I will apreciyte all suggestions and experiences you might like to share with me