Saber vs Conocer rules

To say that something is happening in a place you must use SER

El concierto es en la playa or el concierto tiene lugar en la playa
La reunión será en mi despacho or la reunión tendrá lugar en mi despacho. TENER LUGAR is more formal.

CONOCER

It means that we have had some experience of the thing (or person) known.
'conozco un libro, una persona, una película'. The use of the preposition a is mandatory when the direct object is a person:

Vamos a tomar algo. Yo conozco un sitio por aquí buenísimo (Let's have something. I know a very good place around here)

¿Conoces a Fernando? Es un chico muy simpático.
Do you know Fernando? It's a very nice guy.

SABER

1 .- We use it to speak about skills such as swimming, drawing, speaking a language ...
¿sabes chino? Do you speak Chinese?

2 .- It is also used to talk about the knowledge we have or not about an information.

¿Sabes que María se ha casado?
You know that María had been married?

¿Sabes quién viene esta tarde?
Do you know who is coming this afternoon?

SABER VS CONOCER

Sometimes SABER and CONOCER are used in the same cases, are synonymous:

1 .- When CONOCER means to know or be aware of an event or a happening.

Conozco (sé) las dificultades del trabajo (I know the difficulties of this work)
Hoy las noticias se conocen (se saben) al mismo tiempo en cualquier parte del mundo
Today the news are known at the same time anywhere in the world

2 .- When we want to express the fact that we have knowledge about subjet or ideas on science:
Ramón conoce/sabe su trabajo (Ramon knows his job)
¿Conoces (sabes) la teoría de la relatividad (Do you know the theory of relativity?)