Data updated: July 2026
Kostas Sidiro ✓
@kostassidiro · Instagram · GR · fitness
About Kostas Sidiro
Kostas Sidiro is a fitness trainer based in Greece, known for his expertise in gym and wellness. With a follower count of 73,014, he operates within the micro influencer category. His content includes a variety of formats such as reels, long-form videos, stories, and live streams. Kostas focuses on motivational and educational themes, aiming to inspire his audience towards healthier lifestyles. Some content may require brand review.
@kostassidiro's followers & following
@kostassidiro currently has 73,014 followers on Instagram and follows 979 accounts, a follower-to-following ratio of 74.58. That places the account in the micro tier of fitness creators.
@kostassidiro's content
@kostassidiro has published 711 posts to date, working across reels, long-form-video, stories, live-streams. The account's content is classified under fitness, gym, wellness. Bio: “The Greek Challenger 🇬🇷 @mad_gym Προγράμματα Γυμναστικής για ΟΛΟΥΣ ⬇️”
AI quality check on @kostassidiro
Zaver's AI analyzed this account across 20+ parameters before listing it publicly. No blocking issues were detected in our standard screening.
- Audience location & demographics
- Engagement quality & authenticity
- Follower growth patterns
- Signs of purchased followers
- Content niche classification
- Brand safety screening
- Posting activity & consistency
- Language & audience fit
@kostassidiro's rankings on Zaver
Based on follower count among creators that passed Zaver's indexing quality bar.
@kostassidiro's audience
Audience snapshot
60% male · 40% female
Core age group25-34
Kostas has a predominantly male audience, with a skew of 0.6. The primary age group engaging with his content is between 25 and 34 years old, and the top geographical location of his followers is Greece.
Collaboration pricing
Price tierstandard
Get the AI fair-price estimate → free trialWhich brands fit Kostas Sidiro?
Brands in the fitness, gym, and wellness sectors would align well with Kostas Sidiro's content. His authentic and motivational approach appeals to individuals seeking guidance in their fitness journeys, making him a suitable partner for brands promoting health and exercise products.
Frequently asked questions
How many Instagram followers does @kostassidiro have?
As of July 2026, @kostassidiro has 73,014 followers (73K) on Instagram, follows 979 accounts, and has published 711 posts. Zaver refreshes these numbers on a rolling basis.
How do I contact @kostassidiro?
Verified contact details for @kostassidiro — including business email where available — are held in Zaver, alongside contacts for millions of other Instagram creators. Zaver users can unlock them instantly and reach out from your own inbox. Unlock @kostassidiro's contact info — free trial →
How much does @kostassidiro charge for a sponsored post?
@kostassidiro sits in the standard price tier on Zaver, based on follower scale, engagement and niche. Zaver's AI pricing model also produces a fair per-post price range with justification, so brands can negotiate from data instead of guessing. Get the AI fair-price estimate →
What is @kostassidiro's net worth?
@kostassidiro's net worth isn't publicly verified, and Zaver doesn't estimate personal wealth. What can be assessed is sponsored-post earning potential: with 73K followers and a standard price tier in fitness, brand collaborations are a meaningful income stream — Zaver's AI pricing model estimates what each placement is worth. See the earning-potential estimate →
Does @kostassidiro have fake followers?
Zaver's AI authenticity check scores @kostassidiro 96/100, based on 20+ signals including engagement quality, follower growth patterns and signs of purchased followers. That indicates a predominantly genuine audience. Run the full authenticity check →
Who follows @kostassidiro?
@kostassidiro's 73K followers skew 60% male / 40% female, core age group 25-34. Full audience breakdowns — age bands, gender split and country-level distribution — are part of @kostassidiro's report on Zaver.
Which influencers are similar to @kostassidiro?
Zaver lists comparable fitness creators in Greece in the "Influencers like @kostassidiro" section on this page, matched by niche, audience size and engagement. Zaver users can also search all 39,215 vetted fitness creators with plain-English queries.
What is the follower count?
Kostas Sidiro has 73,014 followers.
What is the engagement rate?
The engagement rate for Kostas Sidiro is not provided.
What is the collaboration pricing?
Kostas is in the standard price tier; however, pricing may vary based on specific collaboration details.
What is the content niche?
Kostas primarily focuses on fitness, with secondary niches in gym and wellness.
