Safe truck storage for 3 months

Dear all, I am an Italian overlander with a Unimog 4x4 truck.
I started my tour in 2013, from Africa I arrived two months ago to Dubai.
Next May I will arrive to Armenia from Iran with my 7,5 ton truck and I am looking for a safe truck storage in Yerevan/Armenia from May to July/August (3 months).
The vehicle is 6,5m long and 3,60m high.
Do you know any place where I can store my truck?
Thank you for any help

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