The legislation, which includes a ban on the 'depiction or promotion' of homosexuality and gender reassignment to under-18s, has drawn scorn across Europe.
The new law, which prohibits LGBT content in school education programs and children's reading materials, has many in Hungary's literary community puzzled.
Both Hungary and Poland are ruled by right-wing, socially conservative governments whose policies have raised rule-of-law questions.
Restrictions on civil liberties or political opponents have been stepped up during the pandemic on several continents.
The fine was imposed by the Pest County Government Office — the local authority responsible for the county surrounding the capital, Budapest.
At issue is a law, titled the "Anti-Paedophilia Act", that was originally aimed at toughening punishments for child abuse.
Hungarian fencer Aida Mohamed is about to join a very small group of women by competing in her seventh Olympics.
A journalist saw fans of both teams, including a German wearing rainbow colours, locked in angry exchanges which led to police intervening.
Orban was virtually isolated as most of his 26 counterparts rounded on him in what one EU official described as an 'in-depth and at times even emotional debate'.
Rainbow flags outnumbered German flags when soccer fans arrived for a European Championship game in Munich.
The Portugal captain netted a pair of penalties in a 2-2 draw with world champions France in Budapest to send his team through as one of the four best third-placed sides.
Euro 2020: Munich Mayor gears up for protest as UEFA declines rainbow-colored stadium for Hungary match
Munich Mayor Dieter Reiter's application on behalf of the council made clear it wanted to protest a law passed by Hungarian lawmakers last week.
Hungary's Foreign Minister Peter Szijjarto, attending the meeting, defended the law, saying it is 'against only the paedophiles'.
Tens of thousands of soccer fans packed the Puskas Arena in Budapest last week to attend Euro 2020 matches.
Euro Cup: Protesting Hungary's transphobia, Germany might present their team a rainbow-coloured Munich stadium
Munich Mayor Dieter Reiter said Sunday he was going to write to UEFA to ask for permission for Germany’s stadium to be lit up with the colours as a sign against homophobia and intolerance.